They reckon the Sri Lanka spinner Ajantha Mendis has got four different variations. But as far as I can tell, they all go straight on. It reminds me of lettuce. You've got cos lettuce, iceberg, Swiss chard and arugula - but at the end of the day, there's no getting away from it: they're all just lettuce.
Nikita Bastian is a sub-editor at ESPNcricinfo